dktxxx2 is right, profanity can help make a character important and display their charactistic. But games like BulletStorm with random profanity is just wrong, feels like it was designed by an immature.

The beginning of The Suffering had lots of profanity that made me burst out laughing, that was necessary because it portrays how criminals in jail should act and talk to each other.

The vulgar used in Killzone 2 by that black guy was unnecessary. He was just c... #2